Marshall wants to remove a tree stump from the ground. To do this he puts one end of a long beam under the stump and puts all his weight on the other end. His weight is just enough to lift the stump. The stump weighs 400 N. Marshall weighs 250. What is the mechanical advantage of the long beam Marshall is using?

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.